Although sororities are often perceived as contributing to eating-disordered behavior, limited research has investigated eating disorders in sorority members. The purpose of this study was to investigate the utility of a highly interactive cognitive dissonance prevention program in reducing empirically supported risk factors in sorority members. Members (N = 149) were randomized to the highly interactive intervention, a more passive intervention, or wait-list. Results indicated that both interventions reduced dietary restraint, body dissatisfaction, and eating disorder pathology. Only the highly interactive group reduced thin-ideal internalization as compared to wait-list. Exploratory analyses also indicated that interventions were beneficial to both lower- and higher-risk members. Taken together, results suggest that sororities are a viable population to target in the prevention of eating disorders.